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Noninvasive Assessment of Myocardial Stiffness by 2D-SWE Ultrasound Technique (Bidimensional Shear Wave Elastography) in Patients With Transthyretin Amyloidosis — ELAST-2D  

Amyloidosis Clinical Trial

Official title:
Noninvasive Assessment of Myocardial Stiffness by 2D-SWE Ultrasound Technique (Bidimensional Shear Wave Elastography) in Patients With Transthyretin Amyloidosis

Clinical Trial Summary

Amyloidosis by mutation of the transthyretin gene (ATTRh) is part of a group of diseases in which the deposit of structurally abnormal proteins (amyloid fibrils) affects multiple organs such as: liver, kidney, eyes, nervous system, gastrointestinal tract and heart, and, finally, it increases the morbidity and mortality of affected patients. This deposit in the myocardium is manifested syndromically as heart failure with preserved or slightly reduced systolic function, and important diastolic dysfunction. The analysis of diastolic function comprises two components: the assessment of active relaxation, dependent on preload and afterload, and the assessment of the passive properties of the tissue - its hardness or rigidity. Myocardial stiffness represents an important parameter for diagnosis and prognosis, but its evaluation is not included in conventional echocardiography. Cardiac elastography has recently been proposed as a non-invasive diagnostic modality to assess myocardial stiffness.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04456582
Study type Interventional
Source University of Sao Paulo General Hospital
Contact
Status Recruiting
Phase N/A
Start date June 3, 2020
Completion date May 29, 2021
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See also
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